Would a DAC help with this problem? The Apple TV has optical output and it seems to me if the signal is converted to analog first, then this dropout should be eliminated. Just a thought! I'm no expert but someone on here will likely know.

Would a DAC help with this problem? The Apple TV has optical output and it seems to me if the signal is converted to analog first, then this dropout should be eliminated. Just a thought! I'm no expert but someone on here will likely know.

You make a good point, and I am considering that as well. It would seem superfluous to me to use an external DAC when my preamp already has a DAC, but, yes, that would probably solve the problem.

That said, I'd still prefer to keep the signal digital so that, if I choose, I can take advantage of bass management and DPLII entirely in the digital domain with a single digital-to-analog conversion at the end.

I need some help regarding my RSP-1570 A/V preamp, which I bought in 2009. Thanks in advance.

Short Version

The RSP-1570 clips the first couple seconds off audio that comes in via HDMI. Not a new problem. Was there ever a firmware fix for this? How do I know what firmware I have? If there is a remedy, how do I get and load the firmware? I have never performed any kind of update on the unit, and I do not know how.

Background

I've known about this issue for years, but I almost always used an analog input for my Oppo disc player, so it never really mattered. The exception would be when I played DVD/Blu-ray, which I do input via HDMI, but then the first few seconds of audio are irrelevant -- it's usually the sound for the initial menus screen.

However ... for the past year, I have painstakingly re-imported my digital music library in lossless format (ALAC), and now, with the help of an Apple TV device, I stream audio from a MacBook Pro to my audio system using AirPlay. It's very cool; the Mac is now my primary audio source. But this also means the clipped intros on audio via HDMI have morphed from no big deal to a very big deal.

That's the whole story. Can anyone help me? Thanks again.

Hi, it seems like we have similar systems.

I have the 1572 and have the same problem playing music on my Oppo.

I have my Apple TV going HDMI into my Oppo. I have an HDMI connection and an analog connection from my Oppo to the 1572.
So when I play CDs, or stream Pandora from the Oppo, I use the analog output on the Oppo and the cut-out of the first few seconds is gone. The rare occasion i watch a movie on the Apple tv or a disc, i use the HDMI connection.

To play music from JRiver on my iMac, I don't use airplay. I use the USB out from the iMAC, to the USB in on the Oppo to use the Oppo DAC. Then I use the analog connection from the Oppo to the 1572 and there is no cut-out.

You're being generous. My speakers are B&W 700-series, and my disc player is a BDP-83. Same basic philosophy, though.

Quote:

Originally Posted by KaliKid2013

I have the 1572 and have the same problem playing music on my Oppo.

This is a bad sign for me. If the 1572 has the same problem, then I really don't think a firmware update on the 1570 is going to help.

Quote:

Originally Posted by KaliKid2013

I have my Apple TV going HDMI into my Oppo. I have an HDMI connection and an analog connection from my Oppo to the 1572.

Ah, you're using the DACs in the disc player rather than the preamp. I don't have a 105 (would be nice), so I don't have digital inputs for the disc player. It's a good alternative, though, and -- shocker! -- the 105's DACs don't have digital-handshake problems. (For me it'd be less expensive to use an external DAC, as someone suggested above, but I really don't want to.)

Quote:

Originally Posted by KaliKid2013

To play music from JRiver on my iMac, I don't use airplay. I use the USB out from the iMAC, to the USB in on the Oppo to use the Oppo DAC. Then I use the analog connection from the Oppo to the 1572 and there is no cut-out.

That's a physical USB connection, right? I've never used JRiver; is it AirPlay compliant? I very much prefer wireless streaming for this particular application, partly because I can run the show from across the room, and partly because it'd be a pain to physically slave my laptop to my audio system. How is it that you can conveniently connect an iMac to your system? That just wouldn't work for me.

You're being generous. My speakers are B&W 700-series, and my disc player is a BDP-83. Same basic philosophy, though.

This is a bad sign for me. If the 1572 has the same problem, then I really don't think a firmware update on the 1570 is going to help.

Ah, you're using the DACs in the disc player rather than the preamp. I don't have a 105 (would be nice), so I don't have digital inputs for the disc player. It's a good alternative, though, and -- shocker! -- the 105's DACs don't have digital-handshake problems. (For me it'd be less expensive to use an external DAC, as someone suggested above, but I really don't want to.)

That's a physical USB connection, right? I've never used JRiver; is it AirPlay compliant? I very much prefer wireless streaming for this particular application, partly because I can run the show from across the room, and partly because it'd be a pain to physically slave my laptop to my audio system. How is it that you can conveniently connect an iMac to your system? That just wouldn't work for me.

Hi,
JRiver is like iTunes, only much better. You can also use JRiver to rip files in any common format. ITunes won't play FLAC files, JRiver will. There is a forum here for JRiver, very versatile and does WAY more than I use it for.

I never used the DAC on the Rotel, it uses a different input jack, not a standard USB A/B cable. Yes, it is a physical connection from the iMac to the Oppo.

I thnk if you use AirPlay, you might be losing some audio quality, but I couldn't say for sure, I would think wired would be better than WIFI.

I think the Rotel problem has been around for a while, definitely annoying. If you google it, you will see this has been a problem for a while, one would think after all this time they would have found a solution.

JRiver is like iTunes, only much better. You can also use JRiver to rip files in any common format. ITunes won't play FLAC files, JRiver will.

I know iTunes/iGadgets don't play FLAC, but that doesn't matter to me. FLAC doesn't do anything ALAC doesn't, and they're both gonna be around longer than we will.

Quote:

Originally Posted by KaliKid2013

I never used the DAC on the Rotel, it uses a different input jack, not a standard USB A/B cable. Yes, it is a physical connection from the iMac to the Oppo.

Our Rotels have coax/optical/HDMI inputs. Few A/V preamps or receivers have a USB DAC input for two-channel audio, but some do. Ironically, Rotel's own RC-1570 stereo preamp and RA-1570 integrated amp both have USB digital inputs. Maybe their next A/V preamp will too. (Oughtta be commonplace if you ask me, but on one ever asks me.)

Quote:

Originally Posted by KaliKid2013

I thnk if you use AirPlay, you might be losing some audio quality, but I couldn't say for sure, I would think wired would be better than WIFI.

Nah, no issue there. A bitstream is a bitstream. Your DAC doesn't know or care whether it's coming from cable or through the air. The only technical issue with my wireless setup (and I don't like splitting theoretical hairs) is that Apple TV is designed for audio associated with video, so it sends out 48/16 rather than 44.1/16. An Airport Express would send bit-perfect 44.1/16 via optical. I highly doubt there's any practical (meaning audible) difference.

Quote:

Originally Posted by KaliKid2013

I think the Rotel problem has been around for a while, definitely annoying. If you google it, you will see this has been a problem for a while, one would think after all this time they would have found a solution.

Very annoying. It makes me wonder if their newer two-channel products I mentioned above have the same problem. They have a better chance of working correctly, I think, because they don't have to interpret so many different digital bitstreams -- they'd just be looking for two-channel audio, as do your BDP-105's inputs.

I haven't heard of anything yet. I just got my first Rotel product RA-1570 and I love it. 2 stereo channel but I wanted a stereo system. I hope it last me that long too

Hi Gerardo,
I do love my RSP-1098 and I'm pretty impressed that my Rotel RMB-1075 and RB-1070 power amps are still going strong after 11 years. I really like the Rotel "sound" and would like to stick with Rotel. The blu-ray player I use (Sony 5000ES) has multi-channel outputs so these feed into the RSP-1098 to give me HD audio.

I haven't jumped on the RPS-1572 yet as there has been a number of comments in the thread around HDMI issues and cutting off the first bit of digital audio.

The RSP-1080 was available in Australia, but I didn't add grab one at the time and they are now no longer available.

this would be nice if it came out sooner than later. My RSP-985 just had a complete system failure (according to the Rotel Tech guy) in the middle of December. I dropped it off at the local repair guy and it will be a few more weeks until I hear back from them to determine if it's worth fixing or not.

The RB-1572V2 has lower power consumption in standby in order to meet an environmental regulation (probably European.) Other than that, there is Zero performance difference between the V1 and the V2.

Regards,

Patrick
B&W Group North America

Quote:

Originally Posted by Invictus87

Hi, does anyone know the difference between the Rotel RB-1572 and the R-1572V2. I have seen the V2 on the Magnolia AV website but Rotel's site does not distinguish this version. I imagine it was simply some internal upgrades and they just dropped the V2 after a while. Just curious because I read an bad review of the RMB-1575 ICE amp and was just curious when the V2's came out and any differences or improvements. Thanks.

The RSP-1570 and 1572 use an HDMI chipset that creates this delay in audio which results in the first couple of seconds of music (or movies) being cut off. This has to do with handshaking between HDMI devices (encryption) and the speed at which the chipset does this. This is inherent to this HDMI chipset.

Here is what I do- when using an Apple TV, I used the optical output into a different input on the RSP. No more audio delay.

Regards,

Patrick
B&W Group North America

Quote:

Originally Posted by Brownstone322

I need some help regarding my RSP-1570 A/V preamp, which I bought in 2009. Thanks in advance.

Short Version

The RSP-1570 clips the first couple seconds off audio that comes in via HDMI. Not a new problem. Was there ever a firmware fix for this? How do I know what firmware I have? If there is a remedy, how do I get and load the firmware? I have never performed any kind of update on the unit, and I do not know how.

Background

I've known about this issue for years, but I almost always used an analog input for my Oppo disc player, so it never really mattered. The exception would be when I played DVD/Blu-ray, which I do input via HDMI, but then the first few seconds of audio are irrelevant -- it's usually the sound for the initial menus screen.

However ... for the past year, I have painstakingly re-imported my digital music library in lossless format (ALAC), and now, with the help of an Apple TV device, I stream audio from a MacBook Pro to my audio system using AirPlay. It's very cool; the Mac is now my primary audio source. But this also means the clipped intros on audio via HDMI have morphed from no big deal to a very big deal.

The RSP-1570 and 1572 use an HDMI chipset that creates this delay in audio which results in the first couple of seconds of music (or movies) being cut off. This has to do with handshaking between HDMI devices (encryption) and the speed at which the chipset does this. This is inherent to this HDMI chipset.

Here is what I do- when using an Apple TV, I used the optical output into a different input on the RSP. No more audio delay.

I'm gonna have to buy an optical cable (I have coax lying around), but I'm damn well gonna try what you suggested -- optical input for audio only, and HDMI input for video + audio. I can definitely live with that.

My other idea was to get an Apple Airport Express for audio, which has its own DAC, and use an analog input. But then, if I wanted to use DPLII (which I enjoy sometimes), I'd be converting from digital to analog then back to digital and back to analog, which is just "bad form" in my mind. Plus I really don't want to add an extra gadget.

I use optical out on my Apple TV for music and HDMI for video. Another reason I like to do that is because I can listen to music without having to turn on the the TV.

No need to turn on the TV either way for audio. For now, my Apple TV is connected directly to my preamp by HDMI; I only need to turn the TV on if I want to watch an Apple TV video stream, like Netflix or whatever.

No need to turn on the TV either way for audio. For now, my Apple TV is connected directly to my preamp by HDMI; I only need to turn the TV on if I want to watch an Apple TV video stream, like Netflix or whatever.

Yeah forgot to mention I don't have avr. Apple ATV is connected to the TV directly

Hi,
JRiver is like iTunes, only much better. You can also use JRiver to rip files in any common format. ITunes won't play FLAC files, JRiver will. There is a forum here for JRiver, very versatile and does WAY more than I use it for.

I never used the DAC on the Rotel, it uses a different input jack, not a standard USB A/B cable. Yes, it is a physical connection from the iMac to the Oppo.

I thnk if you use AirPlay, you might be losing some audio quality, but I couldn't say for sure, I would think wired would be better than WIFI.

I think the Rotel problem has been around for a while, definitely annoying. If you google it, you will see this has been a problem for a while, one would think after all this time they would have found a solution.